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Finding the Fourth Proportional to 26,612.88, 39,925.72 and 13,464.88

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Solution

The fourth proportional to 26,612.88, 39,925.72 and 13,464.88 is: 20,200.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,612.88 : 39,925.72 = 13,464.88 : x
  2. Step 2: Convert to fraction form
    26,612.88/39,925.72 = 13,464.88/x
  3. Step 3: Cross multiply
    26,612.88x = 39,925.72 × 13,464.88
  4. Step 4: Simplify right side
    26,612.88x = 537,595,028.71
  5. Step 5: Solve for x
    x = 537,595,028.71/26,612.88
  6. Step 6: Final answer
    x = 20,200.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.